effective java 3rd edition

the Java program design. objects, methods and other content is an essential part of the general Java Program Design content, and practice more dozen code, will gradually understand its routines, so as to understand its use.Learning progress Bar lines of code (new/cumulative) Blog Volume (Add/accumulate) Learning Time (new/cumulative) Important Growth

: Click to open Link(need resources 0 points of contact me ~) "Effective Java Chinese version (2nd edition)" Main content: in Java programming 78 very practical rules of experience, these rules of experience cover the problems faced by most developers every day solutions. A comprehensive description of the technologie

java.io.*; The other boilerplate is similarly omitted. The book ' s Web site, http://java.sun.com/docs/books/effective, contains a expanded version of each example, which can Compile and run. Similar omissions are also available in other examples. This book's website: Http://java.sun.com/docs/books/effective, contains an extended version of each example that you can compile and run. For the most part, thi

This blog is the Java Classic book "Effective Java (second Edition)" Reading notes, this book a total of 78 to write high-quality Java code Recommendations, I will try to explain it more easily, so the blog updates about 1 months.1th: Consider replacing the constructor with

superclass will be executed.Because the end method chain does not execute automatically, we need to ensure this manually.Method One: Use the TRY–FINALIZE code structure@Overrideprotected void Finalize () throws Throwable {try{.....//finalize Subclass State} finally {Super.finalize ();}}Method Two: Use Finalizer Guardian (end method Guardian)Class A {End GuardianPrivate Final Object Finalizerguardian = new Object () {@OverrideThe end method of the end Guardian will be executedprotected void Fina

Tips"Effective Java, third Edition" an English version has been published, the second edition of this book presumably many people have read, known as one of the four major Java books, but the second edition of 2009 published, to n

Tips"Effective Java, third Edition" an English version has been published, the second edition of this book presumably many people have read, known as one of the four major Java books, but the second edition of 2009 published, to n

; - } + PublicBuilder Fat (intval) { AFat =Val; at return This; - } - PublicBuilder Sodium (intval) { -Sodium =Val; - return This; - } in Publicnutritionfacts Build () { - return NewNutritionfacts ( This); to } + } - the Privatenutritionfacts (Builder builder) { *Servingsize =builder.servingsize; $Servings =builder.servings;Panax NotoginsengFat =Builder.fat; -Sodium =Builder.sodium; the } +}Call:1 New Nutriti

exceptions for programming errors 59th: Avoid unnecessary use of the exception that is examined 60th: try to use the standard exception 61st: throws an exception corresponding to the abstract 62nd: All exceptions thrown by each method must have a document 63rd: contains the failure-capture information in the detail message 64th: Try to keep the failure in the Atomic 65th Bar: Do not ignore exceptions chapter 10th Concurrent 66th: Synchronizing access to shared variable data 67th: Avoid too many

Before reading this book "Effective Java (second edition)" is very early. This book is indeed a good book. You need to chew slowly and have a different experience every time you look.Write a blog here to consolidate.Chapter I. Creating and Destroying objects Consider replacing the constructor with a static factory methodUsually we get an instance of the class, an

Tag: Is the CER object type call error arraylist conversion extend compilerToday will be effective Java (second edition) in the generic part of the reading, deep understanding of their own generic mastery of how unskilled, or need more practice.Say less nonsense, on the point of focus:1. Do not use prototypesLike what:New ArrayList ();When you use the list refere

you to find the most compiled code by executing the counter, and then notify the JIT compiler to compile it in a method-by-unit way. If a method is called frequently, or the number of effective loops in the method is large, the standard compilation and OSR (stack substitution) compilation actions are triggered respectively. 1.4.6 Apache harmony/google Android Dalvik VMDalvik VM is not a Java virtual machin

Download address: Network disk download Introduction to the content One of the most influential and valuable works in the Java field, with more than 20 years of experience in teaching and research of senior Java technology experts to write (won the Jolt Award), and "Java Programming ideas," the same as the more than 10-year global best-selling not decline, popul

; StringBuffer sb = new StringbuffeR (); if (httpent! = null) {BufferedReader BR = new BufferedReader (New InputStreamReader (Httpent.getcontent (), "UTF-8")); while (line = Br.readline ())! = null) {sb.append (line);} Br.close ();} return new string[] {sb.tostring (), Code};}Here are the parameters that are taken with the post:String obj = "r={\" ptwebqq\ ": \" "+ ptwebqq +" \ ", \" clientid\ ":" + ClientID + ", \" psessionid\ ": \" \ ", \" status\ ": \" Online\ "} ";where "r=" can not be lost,

. * For example, a linked list has 6 nodes, starting from the beginning their values are 1,2,3,4,5,6. The bottom 3rd node of the list is a node with a value of 4 */package swordforoffer;import utils. listnode;/** * @author Jinshuangqi * * August 1, 2015 */public class E15kthnodefromend {public ListNode findkthtotail (listnode Head,int k) {if (head = = NULL | | k Test cases, functional tests (K-nodes in the middle of the list, K-nodes in the head node

of the list is the 1th node in the bottom. * For example, a list of 6 nodes. Starting from the beginning, their values are sequentially 1. 2. 3,4,5. 6. The 3rd node of the list is the node with a value of 4 */package swordforoffer;import utils. listnode;/** * @author Jinshuangqi * * August 1, 2015 */public class E15kthnodefromend {public ListNode findkthtotail (listnode Head,int k) {if (head = = NULL | | k Test example; function tests (the K-node is

(Javamemory model, the Java memory model) in the cache, register to main memory writeback order, the second and third Order of the above is not guaranteed. In other words, the order of execution may be either 1-3-2 or either. If the latter, and before the execution of 3, 2 is not executed, was switched to thread B, this time instance because already in thread A has been executed in the 3rd, instance is alr

/** * Title: * There are a pair of rabbits, from the 3rd month after birth, each month has a pair of rabbits, the rabbit long to the third month after the birth of a pair of rabbits each month. * If the rabbit is not dead, ask after month months, how many rabbits total? */public class Fibonacci {//month static Integer month = 3;//NOTE: month > 0public static void Main (string[] args) {Integer pair = f (month); System.out.println ("A: after" + month +

) theLength[i] =Qarray.get (i). Size (); - for(inti = 0; i ) { -queueQarray.get (i); the while(length[i]--> 0) { theString str =Q.poll (); theQarray.get (Alphaindex (Str.charat (j-1)) . Offer (str); the } - } the } the for(inti = 0, aindex = 0; i //finally the while(Qarray.get (i). Size () > 0)94s[aindex++] =Qarray.get (i). Poll (); the } the the Private intAlphaindex (Charc) {98 returnAlpha

Common linked list questions (java Edition) Dry goods directly ..... Common linked list questions:Find the last k nodes of a single-chain table. Delete a node (O (1) in a single-chain table )). Reverse the linked list. The first public node of the two linked lists. The Start Node of the loop returned from the chain table (and whether the ring exists ). Merge two sorted linked lists. Delete duplicate nodes i